condition	mean	min	max
4 h after light	6.96362	3.24066	10.7973
8 h after light	4.282591	0.863923	8.22587
12 h after light	4.504396666666667	2.93535	6.72608
4 h after dark	10.51074	8.45422	11.8131
8 h after dark	10.423449999999999	7.80435	12.5359
12 h after dark	15.899933333333333	14.1365	17.0304